public function test_command() { $this->object->user = null; $this->object->crontab = '/usr/bin/crontab'; $expected = '/usr/bin/crontab'; $actual = $this->object->__mock_command(); $this->assertEquals($expected, $actual); $this->object->user = '******'; $expected = 'sudo -u some-user /usr/bin/crontab'; $actual = $this->object->__mock_command(); $this->assertEquals($expected, $actual); }